 | | Journal (article/letter/editorial) | | cookrob@auburn.edu Liddicoatite, Fluor-liddicoatite, and Liddicoatitic Tourmalines ANJANABONOINA DISTRICT, MADAGASCAR...knowledge was the identification and description of liddicoatite from Anjanabonoina, Madagascar, as the calcium...Appleman, and Nelen 1977). The relationship between liddicoatite and elbaite seemed clear, and liddicoatite’s...in mineralogy. In the original description of liddicoatite, one site in the crystal structure was considered...the name of the type material from liddicoatite to fluor-liddicoatite (Henry et al. 2011). To further complicate |  | | Journal (article/letter/editorial) | | Fluor-uvite** Feruvite** “Fluor-feruvite”* Liddicoatite** Fluor-liddicoatite** Ca Ca Ca Ca Ca Ca Mg 3 Mg 3 Fe...of tourmaline data from the McCombe granitic pegmatite provides evidence of magmatic fractionation trends...tourmaline (Tindle et al. 2003, 2005). The McCombe pegmatite is a complex type and spodumene subtype member...boundary-zone, Ontario, in the Superior Province of the Canadian Shield. The pegmatite dike cuts mafic...schorl to elbaite to “fluor-elbaite” to fluor-liddicoatite (Fig. 6a). The trend of increasing F as a function |  | Henry, D. J., Novak, M., Hawthorne, F. C., Ertl, A., Dutrow, B. L., Uher, P., Pezzotta, F. (2011) Nomenclature of the tourmaline-supergroup minerals. American Mineralogist, 96 (5) 895-913 doi:10.2138/am.2011.3636 | Journal (article/letter/editorial) | | University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada 4 Institut für Mineralogie und Kristallographie...example, the chemical composition of end-member liddicoatite has the stable Y-site Table 2. Stable local...(OH) (OH) F Calcic-subgroup 2 Fluor-liddicoatite* “Liddicoatite”†Ca2+ Ca Ca R21+ R13+ Li12+ Al3+ Li12+...include: “fluor-feruvite” (Breaks et al. 2008) and “liddicoatite” (Breaks et al. 2008). ‡ Tourmaline species...Nagase, T., and Kitakaze, A. (2001) Triclinic liddicoatite and elbaite in growth sectors of tourmaline |
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